How many protons are there in the carbon-14 nucleus?
A) 8
B) 14
C) 6
D) 1
E) none
C
Physics & Space Science
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A water rocket can reach a speed of 75 m/s in 0.050 seconds from launch. What is its average acceleration?
What will be an ideal response?
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A conducting sphere is charged up such that the potential on its surface is 100 V (relative to infinity)
If the sphere's radius were twice as large, but the charge on the sphere were the same, what would be the potential on the surface relative to infinity? A) 50 V B) 25 V C) 200 V D) 100 V
Physics & Space Science
How many constitutional isomers that are trifluoroethanes exist?
a. 3 b. 2 c. 4 d. 8 e. 5
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What is the kinetic energy of a proton moving at 0.8000 c? The rest energy of a proton is 938.3 MeV.
A. 1564 MeV B. 1251 MeV C. 938.3 MeV D. 2502 MeV E. 626.0 MeV
Physics & Space Science